<?php  //$Id: index.php,v 1.21 2007/10/07 10:22:22 skodak Exp $

///////////////////////////////////////////////////////////////////////////
//																	   //
// NOTICE OF COPYRIGHT												   //
//																	   //
// Moodle - Modular Object-Oriented Dynamic Learning Environment		 //
//		  http://moodle.com											//
//																	   //
// Copyright (C) 1999 onwards  Martin Dougiamas  http://moodle.com	   //
//																	   //
// This program is free software; you can redistribute it and/or modify  //
// it under the terms of the GNU General Public License as published by  //
// the Free Software Foundation; either version 2 of the License, or	 //
// (at your option) any later version.								   //
//																	   //
// This program is distributed in the hope that it will be useful,	   //
// but WITHOUT ANY WARRANTY; without even the implied warranty of		//
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the		 //
// GNU General Public License for more details:						  //
//																	   //
//		  http://www.gnu.org/copyleft/gpl.html						 //
//																	   //
///////////////////////////////////////////////////////////////////////////

require_once '../../../config.php';
require_once 'lib.php';
require_once 'grade_import_form.php';

$id = required_param('id', PARAM_INT); // course id

if (!$course = get_record('course', 'id', $id)) {
	print_error('nocourseid');
}

require_login($course);
$context = get_context_instance(CONTEXT_COURSE, $id);
require_capability('moodle/grade:import', $context);
require_capability('gradeimport/xml:view', $context);

// print header
$strgrades = get_string('grades', 'grades');
$actionstr = get_string('modulename', 'gradeimport_xml');
$navigation = grade_build_nav(__FILE__, $actionstr, array('courseid' => $course->id));

if (!empty($CFG->gradepublishing)) {
	$CFG->gradepublishing = has_capability('gradeimport/xml:publish', $context);
}

$mform = new grade_import_form();

if ($data = $mform->get_data()) {
	// Large files are likely to take their time and memory. Let PHP know
	// that we'll take longer, and that the process should be recycled soon
	// to free up memory.
	@set_time_limit(0);
	@raise_memory_limit("256M");
	if (function_exists('apache_child_terminate')) {
		@apache_child_terminate();
	}

	if ($text = $mform->get_file_content('userfile')) {
		print_header($course->shortname.': '.get_string('grades'), $course->fullname, $navigation);
		print_grade_plugin_selector($id, 'import', 'xml');

		$error = '';
		$importcode = import_xml_grades($text, $course, $error);
		if ($importcode) {
			grade_import_commit($id, $importcode, $data->feedback, true);
			print_footer();
			die;
		} else {
			notify($error);
			print_continue($CFG->wwwroot.'/grade/index.php?id='.$course->id);
			print_footer();
			die;
		}

	} else if (empty($data->key)) {
		redirect('import.php?id='.$id.'&amp;feedback='.(int)($data->feedback).'&url='.urlencode($data->url));

	} else {
		if ($data->key == 1) {
			$data->key = create_user_key('grade/import', $USER->id, $course->id, $data->iprestriction, $data->validuntil);
		}

		print_header($course->shortname.': '.get_string('grades'), $course->fullname, $navigation);
		print_grade_plugin_selector($id, 'import', 'xml');

		echo '<div class="gradeexportlink">';
		$link = $CFG->wwwroot.'/grade/import/xml/fetch.php?id='.$id.'&amp;feedback='.(int)($data->feedback).'&amp;url='.urlencode($data->url).'&amp;key='.$data->key;
		echo get_string('import', 'grades').': <a href="'.$link.'">'.$link.'</a>';
		echo '</div>';
		print_footer();
		die;
	}
}

print_header($course->shortname.': '.get_string('grades'), $course->fullname, $navigation);
print_grade_plugin_selector($id, 'import', 'xml');

$mform->display();

print_footer();

?>
